requorm.js - check and validate input in forms

requorm.js is the JavaScript library for checking and validating HTML forms. If any of the fields in the form incorrectly filled, submit buttons will be disabled.

You can download library directly from GitHub. Alternatively, you can use npm or bower:

$ npm install requorm.js
$ bower install requorm.js

Original repository is here: https://github.com/asaskevich/requorm.js
Examples and manual is here: https://github.com/asaskevich/requorm.js